Home / 20,297.34-28,010.28-11,344.83

Finding the Fourth Proportional to 20,297.34, 28,010.28 and 11,344.83

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Solution

The fourth proportional to 20,297.34, 28,010.28 and 11,344.83 is: 15,655.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,297.34 : 28,010.28 = 11,344.83 : x
  2. Step 2: Convert to fraction form
    20,297.34/28,010.28 = 11,344.83/x
  3. Step 3: Cross multiply
    20,297.34x = 28,010.28 × 11,344.83
  4. Step 4: Simplify right side
    20,297.34x = 317,771,864.85
  5. Step 5: Solve for x
    x = 317,771,864.85/20,297.34
  6. Step 6: Final answer
    x = 15,655.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.